This library is referenced by ~/.claude/CLAUDE.md so every Claude Code session can pick the optimal MCP stack for any project. Claude reads this at session start and selects the best MCPs based on the task at hand.
These two MCPs should be active in every Claude Code session without exception.
Name
Install
What It Does
Free?
GitHub MCP
npx @modelcontextprotocol/server-github
PR creation, issue triage, branch ops, code review, commit history. Official Anthropic reference server.
✅ Free
Context7 MCP
npx @context7/mcp-server
Live, version-accurate framework docs fetched at query time. Eliminates hallucinated APIs. Use before implementing any library.
✅ Free
UI & Design Generation
Name
Install
What It Does
Free?
21st.dev Magic MCP
npx @21st-dev/magic-mcp
Like v0.dev inside your IDE. Type /ui [description] to generate polished React/Tailwind/shadcn components with multiple variants. Free during beta. Requires API key from 21st.dev/magic/console.
✅ Free (beta)
shadcn/ui MCP (official)
npx shadcn@latest mcp
Browse, search, and install shadcn/ui v4 components. Supports React, Svelte, Vue, React Native. Integrated into the shadcn CLI.
✅ Free
Figma Dev Mode MCP (official)
Figma plugin
Exposes selected Figma layers as structured JSON. Generates pixel-accurate code from live designs instead of screenshots.
✅ Free (Dev tier)
Pencil MCP
Built into Claude Code
Native .pen file design tooling inside Claude sessions. Create and edit UI mockups without leaving the IDE.
✅ Free
v0 MCP (Vercel)
npx @vercel/v0-mcp
Vercel's generative UI — produces Next.js + shadcn output from natural language prompts.
✅ Free tier
Magic Patterns MCP
npx @magic-patterns/mcp
AI-generated UI pattern library for rapid wireframing and prototyping.
✅ Free tier
Svelte MCP (official)
npx svelte-mcp
Official Svelte tooling — component scaffolding, docs, and AI-enhanced DX.
✅ Free
Browser & Automation
Name
Install
What It Does
Free?
Playwright MCP (Microsoft official)
npx @microsoft/playwright-mcp
E2E browser automation via accessibility snapshots. Faster and more reliable than visual analysis for AI tasks. Screenshots, form fills, scraping.
✅ Free
Stagehand / Browserbase MCP
npx @browserbase/mcp-server-browserbase
AI-powered cloud browser built on Stagehand v3. Natural language web actions, 20–40% faster than Playwright for AI workflows.
Freemium
Desktop Commander MCP
npx @wonderwhy-er/desktop-commander-mcp
Full terminal control, file system search, diff-based surgical editing. Best for long-running shell tasks and background processes.
✅ Free
Puppeteer MCP (official)
npx @modelcontextprotocol/server-puppeteer
Headless Chrome — screenshots, PDFs, web scraping. Official Anthropic reference server.
✅ Free
Claude in Chrome MCP
Browser extension
Control the active Chrome tab, read DOM, fill forms, execute JS, read console/network.
✅ Free
Web Research & Search
Name
Install
What It Does
Free?
Exa MCP
npx exa-mcp-server
Neural/semantic search — surfaces conceptually relevant sources. Best for deep research where keyword search fails.
Freemium
Tavily MCP (official)
npx @tavily/mcp-server
AI-optimized search purpose-built for LLM research workflows. Fast and accurate.
Freemium
Firecrawl MCP (official)
npx firecrawl-mcp
Fastest web scraper/extractor (avg 7s). Converts any URL to clean markdown. 83% accuracy in 2026 benchmarks.
Freemium
Crawl4AI MCP
npx crawl4ai-mcp
Open-source crawler outputting clean markdown. Fully self-hostable. No API key needed.
✅ Free
OmniSearch MCP
npx mcp-omnisearch
Unified interface: Tavily + Brave + Kagi + Perplexity + Jina AI through a single MCP. Best all-in-one option.
✅ Free
Brave Search MCP (official)
npx @modelcontextprotocol/server-brave-search
Brave's independent search index. No Google dependency. Official reference server.
Freemium
Fetch MCP (official)
npx @modelcontextprotocol/server-fetch
Simple URL fetching + HTML-to-markdown. Lightweight for single-page reads.
✅ Free
Kagi Search MCP
npx mcp-kagi
Premium ad-free search. High signal-to-noise ratio for research.
Paid
Databases
Name
Install
What It Does
Free?
PostgreSQL MCP (official)
npx @modelcontextprotocol/server-postgres
Natural language queries, schema inspection, migration helpers. Official reference server.
✅ Free
SQLite MCP (official)
npx @modelcontextprotocol/server-sqlite
Same for SQLite. Great for local dev, data modeling, and embedded databases.